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A043386
Numbers having two 4's in base 6.
0
28, 64, 100, 136, 148, 154, 160, 166, 168, 169, 170, 171, 173, 178, 208, 244, 280, 316, 352, 364, 370, 376, 382, 384, 385, 386, 387, 389, 394, 424, 460, 496, 532, 568, 580, 586, 592, 598, 600, 601, 602, 603, 605, 610, 640, 676
OFFSET
1,1
MATHEMATICA
Select[Range[700], DigitCount[#, 6, 4]==2&] (* Harvey P. Dale, Oct 10 2017 *)
CROSSREFS
Cf. A007092.
Sequence in context: A038641 A342756 A386637 * A044130 A044511 A290543
KEYWORD
nonn,base
STATUS
approved